Finding the Fourth Proportional to 904,917.74, 1,248,482.57 and 512,397.18
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Solution
The fourth proportional to 904,917.74, 1,248,482.57 and 512,397.18 is: 706,936.02
Step by Step Solution
- Step 1: Write the proportion equation
904,917.74 : 1,248,482.57 = 512,397.18 : x - Step 2: Convert to fraction form
904,917.74/1,248,482.57 = 512,397.18/x - Step 3: Cross multiply
904,917.74x = 1,248,482.57 × 512,397.18 - Step 4: Simplify right side
904,917.74x = 639,718,945,585.17 - Step 5: Solve for x
x = 639,718,945,585.17/904,917.74 - Step 6: Final answer
x = 706,936.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.